This is the Mooer Micro Series ABY switch, MkII model. It features an ultra-compact enclosure, allowing for effective use of limited space on your effects board. This unit was purchased in 2021. Due to infrequent use, there are no noticeable major scratches, and the operation has been confirmed to be normal. There are no adhesive marks from Velcro or similar materials on the bottom. Main Functions and Uses This single unit allows for the following two uses: • 1 Input / 2 Outputs Connect one guitar to two amplifiers, allowing you to switch between amplifier A and amplifier B, or output from both simultaneously. • 2 Inputs / 1 Output Connect two guitars to one amplifier, allowing you to instantly switch between instruments at your feet. MkII Features In addition to A/B switching, you can select a mode that outputs to both A and B simultaneously. Due to its passive design, signal switching can be performed without connecting power. Only if you want to visually confirm the current mode with an LED, please prepare a standard 9V adapter. Other This is a sale of the unit only. Please understand that this is a used item before purchasing.